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Thread: BTRFS read-only because of full disk

  1. #1

    Default BTRFS read-only because of full disk


    on my Notebook I have Leap 15.1 on my SSD installed and have BTRFS as my file system. Because of my stupidity I also have my /home partition in the same BTRFS partition.

    When I boot I cannot excess my desktop GUI or other files because the filesystem is read-only.
    At boot there are some errors:

    BTRFS critical (device sda2): corrupt leaf: root=1005 block=730333184 slot=14 ino=1556978 file_offset=0, invalid offset for file extent, have 60067072, should be aligned to 4096
    BTRFS warning (device sda2): Skipping commit of aborted transaction.
    BTRFS: error (device sda2) in cleanup_transaction:1881: errno=-5 IO failure
    BTRFS info (device sda2): forced readonly
    BTRFS info (device sda2): delayed_refs has NO entry
    BUG: unable to handle kernel paging request at ffffffff8127e840
    IP: apparmor_file_free_security+0x1b/0x40

    In terminal I tried some stuff:
    • Code:
      sudo btrfs filesystem show /
      That gives me 97% full disk
    • Deleting some snapshots or other stuff is not possible because of read-only.

    With a openSUSE Tumbleweed rescue usb-stick I tried:
    • Code:
      mount /dev/sda2 /mnt
      It's possible to mount but still read-only and I'm still not able to boot.
    • Code:
      btrfs scrub start /mnt
      At the beginning it's really fast with 300mb/s but than it gets slower and slower (some kb/s) and it will possible not finish at all. I waited two days, it was still not finished and the estimated finish-time was increasing every time i looked at the laptop. So I canceled it.

    What else can I do to get my files from /home?

  2. #2
    Join Date
    Sep 2012

    Default Re: BTRFS read-only because of full disk

    Quote Originally Posted by 19yc9333 View Post
    What else can I do to get my files from /home?
    If you can mount (even read-only) you can also copy files to another device.

  3. #3

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